Home / 13,346,999.20-20,020,498.80-12,071,540.80

Finding the Fourth Proportional to 13,346,999.20, 20,020,498.80 and 12,071,540.80

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Solution

The fourth proportional to 13,346,999.20, 20,020,498.80 and 12,071,540.80 is: 18,107,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,999.20 : 20,020,498.80 = 12,071,540.80 : x
  2. Step 2: Convert to fraction form
    13,346,999.20/20,020,498.80 = 12,071,540.80/x
  3. Step 3: Cross multiply
    13,346,999.20x = 20,020,498.80 × 12,071,540.80
  4. Step 4: Simplify right side
    13,346,999.20x = 241,678,268,100,551.06
  5. Step 5: Solve for x
    x = 241,678,268,100,551.06/13,346,999.20
  6. Step 6: Final answer
    x = 18,107,311.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.